Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
duong manh » duong van
hieu lang » chieu sang, hieu quang, nhieu tang
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh ((trang cua) or (trung cua)) nhung duong manh ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((trang cua) OR (trung cua)) nhung duong manh ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((trang cua) or (trung cua)) nhung duong manh ((toan cau) or (toan ban))*.